Albert Cooper — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Albert Cooper across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 6-person household.

Age 50 b. ~1890 Male Head Born: Maine Married

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Cooper
Given Name	Albert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Lowell
1935 Residence (County)	Middlesex
Additional Details
Occupation	Milkman
Industry	Dairy
Class of Worker	PW
Income (1939)	1700
Highest Grade	H-4
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine
Occupation	Milkman
Township / Ward	Lowell
Est. Birth Year	~1890

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

6 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Albert	Age	Birth yr
Robert Cooper	Son	—	9	~1931
William Cooper	Son	—	21	~1919
Emily Cooper	Spouse	—	47	~1893
Wallace Cooper	Son	—	17	~1923
Albert Cooper	Head	—	50	~1890
Arline Cooper	Daughter	—	23	~1917

Census Appearances

1920

Middlesex, Massachusetts

Head, age 29

Middlesex, Massachusetts · implied b. ~1891 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cooper
Given Name	Albert H.
Relationship to Head	head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Maine
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Meter Reader
Industry	Gas Co.
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1930

Middlesex, Massachusetts

Head, age 38

Middlesex, Massachusetts · implied b. ~1892 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cooper
Given Name	Albert H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Maine
Age at First Marriage	25
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Milkman
Industry	Milk
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	2400
Veteran	No
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1940

Middlesex-County, Massachusetts

Head, age 50

Middlesex-County, Massachusetts · implied b. ~1890 — 6 household members

Surname	Cooper
Given Name	Albert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Lowell
1935 Residence (County)	Middlesex
Occupation	Milkman
Industry	Dairy
Class of Worker	PW
Income (1939)	1700
Highest Grade	H-4
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

Model Tree

Linked across censuses

Our Model Tree links Albert Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Albert Cooper

Head · 1940 · age 50 · b. ~1890 · Massachusetts

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01692-00237)

Line	Name	Age	Relation	Occupation	Birthplace
1	Thomas Sweeney	26	Son-in-law	Feeder Press	Massachusetts
2	Evelyn X Sweeney	24	Daughter	Inspector	Massachusetts
3	Michael Vaughan	65	Head	Laborer	Eire
4	Margaret X Vaughan	63	Wife	—	Eire
5	Genevieve Vaughan	39	Daughter	Nurse	Mass.
6	William Vaughan	30	Son	Office Boy	Mass.
7	Mary Vaughan	28	Daughter	Bookkeeper	Mass.
8	Joseph Vaughan	27	Son	Clerk	Mass.
9	Francis Vaughan	25	Son	—	Mass.
10	George X Hansen	60	Head	—	Sweden
11	Henry Hansen	38	Son	Embalmer	Mass.
12	Oscar Hansen	30	Son	Dyer	Mass.
13	Florence Hansen	26	Daughter	Weaver	Mass.
14	George Hansen	21	Son	Dyer	Mass.
15	Christine Hansen	20	Daughter	Stitcher	Mass.
16	David Drew	30	Head	Laborer	New York
17	Dorothy X Drew	29	Wife	—	Mass.
18	Ronald Drew	4	Son	—	Mass.
19	Benjamin Drew	9	Step-son	—	Mass.
20	John Mitchell	73	Head	—	Eire
21	Mary X Mitchell	60	Wife	—	Eire
22	James Mitchell	30	Son	Printer	Mass.
23	Florence Mitchell	25	Daughter	Stenographer	Mass.
24	Albert Cooper THIS PERSON	50	Head	Milkman	Maine
25	Emily X Cooper	47	Wife	—	Mass.
26	Arline Cooper	23	Daughter	Nurse Training	Mass.
27	William Cooper	21	Son	Carder	Mass.
28	Wallace Cooper	17	Son	—	Mass.
29	Robert Cooper	9	Son	—	Mass.
30	Nellie X Crocker	60	Head	—	New Hampshire
31	Bernice Crocker	36	Daughter	Laborer	Mass.
32	James Durkin	55	Head	Salesman	Mass.
33	Margaret X Durkin	53	Wife	—	New York
34	Dorothy Durkin	26	Daughter	Proofreader	Mass.
35	Gerald Durkin	24	Son	Salesman	Mass.
36	James Durkin	22	Son	Clerk	Mass.
37	John Durkin	21	Son	Decorator	Mass.
38	Paul Durkin	19	Son	—	Mass.
39	Walter Durkin	15	Son	—	Mass.
40	Harold Durkin	13	Son	—	Mass.

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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